Opaline ceiling 25 cm

Applying /vintage plaster in beautiful white opaline, 25 cm in diameter. The back support is made of metal and requires a bayonet bulb, it shows traces of rust but invisible when the light is installed. Electricity tested, .weight 1, 100kg I try to describe in all best and honestly the peculiarities (negative or positive) of this object, however do not hesitate to contact me if you want other details or photos that I could have ohimed; I would be happy to respond as soon as possible. Ref 93/20.